diff --git a/app/src/main/java/com/gh/common/util/MessageShareUtils.java b/app/src/main/java/com/gh/common/util/MessageShareUtils.java
index cc5b1ffd38..25a12e1986 100644
--- a/app/src/main/java/com/gh/common/util/MessageShareUtils.java
+++ b/app/src/main/java/com/gh/common/util/MessageShareUtils.java
@@ -86,13 +86,17 @@ public class MessageShareUtils {
         @Override
         public void onError(UiError uiError) {
             // 单分享图片不支持显示未安装弹窗,手动调出
-            Activity activity = mActivity.get();
-            if (activity != null && !ShareUtils.isQQClientAvailable(activity.getApplication())) {
-                new TDialog(activity,
-                        "",
-                        "http://openmobile.qq.com/oauth2.0/m_jump_by_version",
-                        null,
-                        new QQToken("")).show();
+            if (mActivity != null) {
+                Activity activity = mActivity.get();
+                if (activity != null && !ShareUtils.isQQClientAvailable(activity.getApplication())) {
+                    new TDialog(activity,
+                            "",
+                            "http://openmobile.qq.com/oauth2.0/m_jump_by_version",
+                            null,
+                            new QQToken("")).show();
+                } else {
+                    Utils.toast(mContext, "分享失败");
+                }
             } else {
                 Utils.toast(mContext, "分享失败");
             }
diff --git a/app/src/main/java/com/gh/gamecenter/game/columncollection/detail/ColumnCollectionDetailActivity.kt b/app/src/main/java/com/gh/gamecenter/game/columncollection/detail/ColumnCollectionDetailActivity.kt
index 191eb85059..a8c5c1e350 100644
--- a/app/src/main/java/com/gh/gamecenter/game/columncollection/detail/ColumnCollectionDetailActivity.kt
+++ b/app/src/main/java/com/gh/gamecenter/game/columncollection/detail/ColumnCollectionDetailActivity.kt
@@ -103,7 +103,7 @@ class ColumnCollectionDetailActivity : ListActivity<LinkEntity, ColumnCollection
     }
 
     override fun provideListViewModel(): ColumnCollectionDetailViewModel {
-        val factory = ColumnCollectionDetailViewModel.Factory(intent.getStringExtra(EntranceUtils.KEY_COLLECTION_ID))
+        val factory = ColumnCollectionDetailViewModel.Factory(intent?.extras?.getString(EntranceUtils.KEY_COLLECTION_ID) ?: "")
         return ViewModelProviders.of(this, factory).get(ColumnCollectionDetailViewModel::class.java)
     }
 
diff --git a/app/src/main/java/com/gh/gamecenter/personalhome/UserHomeFragment.kt b/app/src/main/java/com/gh/gamecenter/personalhome/UserHomeFragment.kt
index 1c16c419c0..c75ce3a88a 100644
--- a/app/src/main/java/com/gh/gamecenter/personalhome/UserHomeFragment.kt
+++ b/app/src/main/java/com/gh/gamecenter/personalhome/UserHomeFragment.kt
@@ -229,21 +229,23 @@ class UserHomeFragment : NormalFragment() {
 
         mHomeBinding?.run {
             appbar.addOnOffsetChangedListener(OnOffsetChangedListener { _: AppBarLayout?, verticalOffset: Int ->
-                val statusBarHeight = if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) 0 else DisplayUtils.getStatusBarHeight(resources)
-                val absOffset = abs(verticalOffset)
-                val invisibleOffset = 264f.dip2px() - 50f.dip2px() - 2f.dip2px() - statusBarHeight
-                if (absOffset < invisibleOffset) {
-                    toolbar.setBackgroundColor(ContextCompat.getColor(requireContext(), R.color.transparent))
-                    toolbarContainer.background = null
-                    userSmallContainer.visibility = View.GONE
-                } else {
-                    if (this@UserHomeFragment::mBitmap.isInitialized) {
-                        toolbar.setBackgroundColor(R.color.white.toColor())
-                        toolbarContainer.background = BitmapDrawable(resources, mBitmap)
+                if (isAdded) {
+                    val statusBarHeight = if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.KITKAT) 0 else DisplayUtils.getStatusBarHeight(resources)
+                    val absOffset = abs(verticalOffset)
+                    val invisibleOffset = 264f.dip2px() - 50f.dip2px() - 2f.dip2px() - statusBarHeight
+                    if (absOffset < invisibleOffset) {
+                        toolbar.setBackgroundColor(ContextCompat.getColor(requireContext(), R.color.transparent))
+                        toolbarContainer.background = null
+                        userSmallContainer.visibility = View.GONE
                     } else {
-                        toolbar.setBackgroundColor(ContextCompat.getColor(requireContext(), R.color.theme))
+                        if (this@UserHomeFragment::mBitmap.isInitialized) {
+                            toolbar.setBackgroundColor(R.color.white.toColor())
+                            toolbarContainer.background = BitmapDrawable(resources, mBitmap)
+                        } else {
+                            toolbar.setBackgroundColor(ContextCompat.getColor(requireContext(), R.color.theme))
+                        }
+                        userSmallContainer.visibility = View.VISIBLE
                     }
-                    userSmallContainer.visibility = View.VISIBLE
                 }
             })
         }
diff --git a/app/src/main/java/com/gh/gamecenter/qa/article/edit/ArticleEditViewModel.kt b/app/src/main/java/com/gh/gamecenter/qa/article/edit/ArticleEditViewModel.kt
index 97d983b38a..467f1d382e 100644
--- a/app/src/main/java/com/gh/gamecenter/qa/article/edit/ArticleEditViewModel.kt
+++ b/app/src/main/java/com/gh/gamecenter/qa/article/edit/ArticleEditViewModel.kt
@@ -156,14 +156,18 @@ class ArticleEditViewModel(application: Application) : AndroidViewModel(applicat
         val pictureList = ArrayList<String>()
         for (uri in uris) {
             val picturePath = PathUtils.getPath(getApplication(), uri)
-            if (File(picturePath).length() > ImageUtils.getUploadFileMaxSize()) {
-                val count = ImageUtils.getUploadFileMaxSize() / 1024 / 1024
-                val application: Application = getApplication()
-                Utils.toast(getApplication(), application.getString(R.string.pic_max_hint, count))
-                continue
+            if (picturePath != null) {
+                if (File(picturePath).length() > ImageUtils.getUploadFileMaxSize()) {
+                    val count = ImageUtils.getUploadFileMaxSize() / 1024 / 1024
+                    val application: Application = getApplication()
+                    Utils.toast(getApplication(), application.getString(R.string.pic_max_hint, count))
+                    continue
+                }
+                Utils.log("picturePath = $picturePath")
+                pictureList.add(picturePath)
+            } else {
+                Utils.log("picturePath is null")
             }
-            Utils.log("picturePath = $picturePath")
-            pictureList.add(picturePath)
         }
 
         if (pictureList.size == 0) return
diff --git a/app/src/main/java/com/gh/gamecenter/simulatorgame/SimulatorGameListFragment.kt b/app/src/main/java/com/gh/gamecenter/simulatorgame/SimulatorGameListFragment.kt
index 49a7664b45..17373c6cb5 100644
--- a/app/src/main/java/com/gh/gamecenter/simulatorgame/SimulatorGameListFragment.kt
+++ b/app/src/main/java/com/gh/gamecenter/simulatorgame/SimulatorGameListFragment.kt
@@ -40,9 +40,12 @@ class SimulatorGameListFragment : ListFragment<GameEntity, SimulatorGameListView
         for (key in positionMap.keys) {
             if (key.contains(packageName)) {
                 val position = positionMap[key]!!
-                val game = mAdapter?.entityList?.get(position - 1)
-                if (game != null) {
-                    positionList.add(GameAndPosition(game, position))
+                val list = mAdapter?.entityList
+                if (list != null && list.isNotEmpty()) {
+                    val game = list[position - 1]
+                    if (game != null) {
+                        positionList.add(GameAndPosition(game, position))
+                    }
                 }
             }
         }
diff --git a/app/src/main/java/com/halo/assistant/fragment/WebFragment.java b/app/src/main/java/com/halo/assistant/fragment/WebFragment.java
index 2744f43811..b4701105ae 100644
--- a/app/src/main/java/com/halo/assistant/fragment/WebFragment.java
+++ b/app/src/main/java/com/halo/assistant/fragment/WebFragment.java
@@ -249,25 +249,31 @@ public class WebFragment extends NormalFragment implements IScrollable {
         setHasOptionsMenu(true);
 
         Bundle args = getArguments();
+        String webUrl = null;
 
-        String webUrl = args.getString(EntranceUtils.KEY_URL);
+        if (args != null) {
+            webUrl = args.getString(EntranceUtils.KEY_URL);
 
-        mShowWebShare = args.getBoolean(EntranceUtils.KEY_WEB_SHARE, false);
-        mIsBindWechat = args.getBoolean(KEY_IS_BIND_WECHAT, false);
-        mIsTools = args.getBoolean(KEY_ISTOOLS, false);
-        mQaType = args.getInt(KEY_QA_TYPE, -1);
-        mAutoCompletionTitle = args.getBoolean(KEY_COMPLETION_TITLE, true);
-        mNavigationTitle = args.getString(EntranceUtils.KEY_GAMENAME);
-        newsId = args.getString(EntranceUtils.KEY_NEWSID);
-        mIsBackpressRequireConfirmation = args.getBoolean(KEY_REQUIRE_BACK_CONFIRMATION);
-        mIsWebPageHandleBackPressed = args.getBoolean(KEY_LEAVE_WEB_PAGE_TO_HANDLE_BACK_PRESSED);
-        mBackConfirmationContent = args.getString(KEY_BACK_CONFIRMATION_CONTENT);
-        mIsOpenNativePage = args.getBoolean(KEY_OPEN_NATIVE_PAGE, false);
-        mGameName = args.getString(KEY_GAME_NAME);
-        mIsCloseButton = args.getString(KEY_CLOSE_BUTTON);
+            mShowWebShare = args.getBoolean(EntranceUtils.KEY_WEB_SHARE, false);
+            mIsBindWechat = args.getBoolean(KEY_IS_BIND_WECHAT, false);
+            mIsTools = args.getBoolean(KEY_ISTOOLS, false);
+            mQaType = args.getInt(KEY_QA_TYPE, -1);
+            mAutoCompletionTitle = args.getBoolean(KEY_COMPLETION_TITLE, true);
+            mNavigationTitle = args.getString(EntranceUtils.KEY_GAMENAME);
+            newsId = args.getString(EntranceUtils.KEY_NEWSID);
+            mIsBackpressRequireConfirmation = args.getBoolean(KEY_REQUIRE_BACK_CONFIRMATION);
+            mIsWebPageHandleBackPressed = args.getBoolean(KEY_LEAVE_WEB_PAGE_TO_HANDLE_BACK_PRESSED);
+            mBackConfirmationContent = args.getString(KEY_BACK_CONFIRMATION_CONTENT);
+            mIsOpenNativePage = args.getBoolean(KEY_OPEN_NATIVE_PAGE, false);
+            mGameName = args.getString(KEY_GAME_NAME);
+            mIsCloseButton = args.getString(KEY_CLOSE_BUTTON);
+        }
 
         mJsApi = new DefaultJsApi(requireContext());
-        boolean leaveWebpageToHandleTitle = args.getBoolean(KEY_LEAVE_WEB_PAGE_TO_HANDLE_TITLE, false);
+        boolean leaveWebpageToHandleTitle = false;
+        if (args != null) {
+            leaveWebpageToHandleTitle = args.getBoolean(KEY_LEAVE_WEB_PAGE_TO_HANDLE_TITLE, false);
+        }
 
         WebSettings settings = mWebView.getSettings();
         settings.setJavaScriptEnabled(true);
@@ -300,6 +306,7 @@ public class WebFragment extends NormalFragment implements IScrollable {
         }
 
         // 用webview打开url
+        boolean finalLeaveWebpageToHandleTitle = leaveWebpageToHandleTitle;
         mWebView.setWebViewClient(new WebViewClient() {
             @Override
             public boolean shouldOverrideUrlLoading(WebView view, String url) {
@@ -319,7 +326,7 @@ public class WebFragment extends NormalFragment implements IScrollable {
             @Override
             public void onPageFinished(WebView view, String url) {
                 super.onPageFinished(view, url);
-                if (leaveWebpageToHandleTitle) {
+                if (finalLeaveWebpageToHandleTitle) {
                     postDelayedRunnable(() -> {
                         if (isResumed()) {
                             setNavigationTitle(view.getTitle());
@@ -364,7 +371,10 @@ public class WebFragment extends NormalFragment implements IScrollable {
                 }
             }
         });
-        boolean isSecurityCertification = args.getBoolean(KEY_IS_SECURITY_CERTIFICATION, false);
+        boolean isSecurityCertification = false;
+        if (args != null) {
+            isSecurityCertification = args.getBoolean(KEY_IS_SECURITY_CERTIFICATION, false);
+        }
         if (isSecurityCertification) {
             HashMap<String, String> extraHeaders = new HashMap<>();
             extraHeaders.put("Referer", "https://www.ghzs.com");